Question

determine o valor das expressões
a)[-100-(-10)^2]+[(-6)^2-7^2]
b){[6^3:(-3)^2)+[(1,6)^2-(2,6)^2]

c)2-3(6-4)^3+(-7+5)^8)-(2-3)^3

d)5-(2↓3)^2.3↓5

e)(2-1↓2)^2(1-2↓5)

f)[(2↓5+1↓2.√4↓81+3↓20]:7↓6

g)[(√9↓16-1↓2).(1+1↓2).√4↓9.√↓4.

Answer 1

o que significa as setas?